Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: misc: tifpc202: fixed a potential memory leak in the probe function. Used foreachchildofnodescoped to simplify the code and ensure that the device node reference is automatically released when the loop scope ends...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a double-free issue related to reregusermr. If IBMRREREGTRANS is set during reregusermr, the umem will be released, and a new umem will be allocated in irdmareregmrtrans. If any step of irdmareregmrtrans fails...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Handle the deactivation of DBCs when the owner leaves. When a DBC is released, the device sends a QAICTRANSDEACTIVATEFROMDEV transaction to the host via the QAICCONTROL MHI channel. QAIC handles this by calling...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The netlink notifier might race to release objects. The commit release path is invoked via callrcu, and it runs without locking to release the objects after the rcu grace period. The netlink notifier handler...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sched/psi: The use of kernfs polling functions for PSI trigger polling was incorrect. Destroying the psitriggerdestroy in cgroupfilerelease causes a Use-After-Free UAF issue when a cgroup is removed from a polling process. This...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Under NFSv4.1, fix the issue where double svcxprtput operations on rpccreate cause failures. In error situations, clp-clcbconn.cbxprt should not be referenced as an xprt. Otherwise, both client cleanup and error handling...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Fixed a race condition between the release of rpmsgctrldev and cdev The struct rpmsgctrldev contains a struct cdev. The current code releases the rpmsgctrldev struct in rpmsgctrldevreleasedevice, but the cdev is a...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: misc: fastrpc: Do not remove the map from createprocess and devicerelease functions. Do not remove the map from the list during the error handling in fastrpcinitcreateprocess. Instead, call fastrpcmapput to avoid a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed a UAF Use-After-Free issue caused by a race condition involving ref-proc. A transaction of type BINDERTYPEWEAKHANDLE may fail to increment the reference count of a node. In this case, the target proc normally releas...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: amdgputtmgartbind set gtt bound flag Otherwise, after the GTT context is released, the GTT and gart space are freed. However, amdgputtmbackendunbind does not clear the gart page table entry; instead, it leaves a valid...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: The page is released in the error path to avoid BUGON. Consider the following sequence of events: 1. The userspace sends a UFFD ioctl, which ultimately calls shmemmfillatomicpte. We successfully account the blocks, a...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: hwrng: virtio – Fixed a race condition related to dataavail and actual data. The virtio rng device initiates a new entropy request whenever the data available becomes zero. When a new request occurs at the end of a read...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net:sfc: Fixed issues with non-freezed interrupts in legacy IRQ mode. The SFC driver can be configured using modparam to work with MSI-X, MSI, or legacy IRQ interrupts. In the latter case, the interrupt wasn’t properly released...

Astra Linux – Vulnerability in Git

Git is a distributed revision control system. The gitattributes command allows for the definition of attributes for certain file paths. These attributes can be defined by adding a .gitattributes file to the repository, which contains a set of file patterns and the attributes that should be applie...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: xsk: Fix invalid buffer access for legacy rq The below crash can be encountered when using xdpsock in rx mode for legacy rq: the buffer gets released in the XDPREDIRECT path, and then once again in the driver. This fix...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “IB/isert: Fix incorrect release of isert connection” The commit with ID 699826f4e30a “IB/isert: Fix incorrect release of isert connection” is causing problems when DEVICEREMOVAL occurs in OPA. ------------ Cut here ------------...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftflowoffload: Release dst if direct xmit path is used Direct xmit does not use it since it calls devqueuexmit to send packets; therefore, it calls dstrelease. kmemleak reports: Unreferenced object 0xffff88814f4409...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Correctly track subprogram poke descriptors and fix use-after-free Subprograms call mappoketrack, but during program release, there is no hook to call mappokeuntrack. However, during program release, the auxiliary memory and...

Astra Linux – Vulnerability in Firefox and Thunderbird

Certain network request objects were freed too early when releasing a network request handle. This could have led to a use-after-free condition, potentially causing a crash that can be exploited. This vulnerability affects Firefox ESR 91.5, Firefox 96, and Thunderbird 91.5...

Astra Linux – Vulnerability in Linux 5.10

A race condition was detected in the Linux kernel’s ebpf verifier between bpfmapupdateelem and bpfmapfreeze, due to a missing lock in the kernel/bpf/syscall.c file. In this flaw, a local user with special privileges capsysadmin or capbpf can modify the frozen mapped address space. This flaw affec...